Diana P. DuBois

Kevin Van Wart is a partner Kirkland's Chicago office, where he concentrates in complex litigation, including mass tort claims, class action lawsuits, product liability and pharmaceutical claims, and high stakes commercial disputes. Kevin has served as lead trial and appellate counsel in a wide variety of cases throughout the country and teaches trial advocacy at the University of Chicago Law School. The National Law Journal featured Kevin's successful trial work in naming Kirkland to its 200...

Emer Simic is a partner in the Intellectual Property Practice Group and focuses her practice on patent litigation and counseling in the pharmaceutical and biotech space. Emer has substantial experience successfully representing pharmaceutical and biotech companies in Hatch-Waxman and patent infringement disputes before the U.S. District Court and before the Patent Trial and Appeal Board (PTAB). A strategic advisor and compelling advocate, Emer partners with her clients to achieve their goals ...

Philip A. Bareck has been with Katz Friedman since 1991, became a partner in 2003, and a shareholder in 2007. Currently, he is an Adjunct Professor at IIT Chicago-Kent College of Law teaching Workers' Compensation Law, has been selected as an Illinois Super Lawyer (5% of the attorneys in Illinois), included in Best Lawyers in Workers’ Compensation Law, awarded inclusion in Top Trial Lawyers (American Trial Lawyers Association top 100 Trial Lawyers for Illinois), Top Attorneys in Illinoi...

Peter M. Siavelis is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Peter M., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Peter M. is held by other top lawyers in the same geographic and legal practice area.

Howard has always understood that business involves risk. Howard works with his clients to understand their business, their goals, and their level of risk tolerance. That understanding enables him to craft solutions that work for his clients. It is one reason why he has represented many of his clients for decades. For more than 40 years, Howard has served as a trusted lawyer and adviser to clients ranging from some of the world’s largest and best-known real estate, tech, software, and o...

Michael Reagan is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice and Bet-the-Company Litigation. Michael, who practices law in Ottawa, Illinois, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.

Tracy Brammeier is no stranger to tort law, having worked as a clerk at the firm for years and then jumping into courtroom work and complex tort cases. In fact, her intelligence and legal acumen have led her to already have worked on some of the biggest lawsuits filed at the firm, led by partners directing the cases. She works closely with partner Kevin P. Durkin handling many transportation accident matters. Tracy has worked on several cases involving bicyclists struck by trucks, a man who s...

Todd Maynes focuses his practice on the tax aspects of debt restructurings, bankruptcy and insolvency, and tax litigation. Todd has served as Chair of the Planning Committee for both the University of Chicago Federal Tax Conference and the Chicago-Kent College of Law Federal Tax Institute. He teaches bankruptcy taxation at Northwestern University School of Law and the Law School at the University of Chicago, previously taught advanced income taxation at Chicago-Kent College of Law, and has le...

David C. McLauchlan is a top attorney recognized by Best Lawyers in the practice area(s) of Insurance Law. David C., who practices law in Chicago, Illinois, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David C. is held by other top lawyers in the same geographic and legal practice area.

Robert Vinikoor is a top attorney recognized by Best Lawyers in the practice area(s) of Immigration Law. Robert, who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert is held by other top lawyers in the same geographic and legal practice area.